1 /* 2 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.core.test; 24 25 import org.junit.Test; 26 27 /** 28 * Collection of tests for 29 * {@link org.graalvm.compiler.phases.common.DominatorConditionalEliminationPhase} including those 30 * that triggered bugs in this phase. 31 */ 32 public class ConditionalEliminationTest4 extends ConditionalEliminationTestBase { 33 34 @SuppressWarnings("all") 35 public static int reference1Snippet(int a, int b) { 36 if (a > b) { 37 return 1; 38 } 39 return 2; 40 } 41 42 @SuppressWarnings("all") 43 public static int test1Snippet(int a, int b) { 44 if (a > b) { 45 if (a > b) { 46 return 1; 47 } 48 } 49 return 2; 50 } 51 52 @Test 53 public void test1() { 54 testConditionalElimination("test1Snippet", "reference1Snippet"); 55 } 56 57 @SuppressWarnings("all") 58 public static int reference2Snippet(int a, int b) { 59 if (a < b) { 60 return 1; 61 } 62 return 2; 63 } 64 65 @SuppressWarnings("all") 66 public static int test2Snippet(int a, int b) { 67 if (a < b) { 68 if (a < b) { 69 return 1; 70 } 71 } 72 return 2; 73 } 74 75 @Test 76 public void test2() { 77 testConditionalElimination("test2Snippet", "reference2Snippet"); 78 } 79 }